Volcanism

A Living, Breathing Caldera. This report describes the crustal deformation of the Yellowstone Hotspot from 1923 to 1995. Measurements show that the Yellowstone Caldera underwent rapid uplift from 1923 to 1985; this was followed by ten years of subsidence. The report also summarizes the University of Utah's research program to monitor the caldera using GPS stations. Information on surrounding fault zones is also provided. (more info)

Current Activity at the Yellowstone Volcanic System. This website provides a monthly summary of current geologic events that relate to the Yellowstone volcanic system. The summary includes information about earthquakes, hydrothermal activity, and other events of interest. Links are provided for more in-depth information. (more info)

Frequently Asked Questions about Recent Findings at Yellowstone Lake. This U.S. Geological Survey website answers the most commonly asked questions regarding reports that a bulge beneath Yellowstone Lake may represent a hazard for residents or visitors to the area. In addition, it provides a new high-resolution bathymetric relief map of Yellowstone Lake. References, and some direct links, to the original research materials are provided. (more info)

The Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana. This U.S. Geological Survey Professional Paper is aimed at constructing a volcanic history of the Yellowstone Plateau region, interpreting important volcanic mechanisms, and seeking clues to deeper-seated processes that gave rise to the volcanic activity. Research for this paper spanned four decades and involved areal geologic mapping and the delineation of volcanic stratigraphy and significant structural relations. It includes text, maps, photographs, diagrams, and chemical analysis data. (more info)

The Yellowstone-Teton Epicenter. This University of Utah website provides an overview of the history and present conditions of the Yellowstone hotspot. Topics include the track of the hotspot, tectonics, seismicity, history and global significance of major events, and the physical properties of the modern volcanic system. Numerous maps, graphs, and other figures support the text. (more info)

Volcano Hazards Fact Sheet: Yellowstone - Restless Volcanic Giant. This U.S. Geological Survey Open-File Report summarizes the Yellowstone volcanic system and its associated hazards. Scientists are studying the Yellowstone region to assess the potential hazards from future earthquakes and eruptions and to provide warning of increased unrest. The report includes text, several maps, and data plots. Topics include Yellowstone's roots, the Yellowstone caldera, contemporary unrest, reasons to worry, and additional readings. (more info)

Yellowstone Caldera, Wyoming. This U.S. Geological Survey clearinghouse provides a diverse array of over 40 links to information on the Yellowstone volcanic system. The links are organized by category, including background and information; special items of interest; maps, graphics, and images; items of interest; useful links; educational outreach; and other menus of interest. (more info)

Yellowstone Geology. This Yellowstone National Park website provides geological information about the Park. Links include geologic highlights, hydrothermal features, reports by park geologists, and scientists' talks (videos). A wide array of information can be found on these links and the webpage is expanding as more topics are added. (more info)

Yellowstone National Park Online Slide File. This Yellowstone National Park website contains thousands of photographs of the Park. Images are organized by category including fire, thermal features, mammals, park structures, petrified trees, water, weather, scenics, and more. The photographs may be freely downloaded and more are being added through time. (more info)

Yellowstone Volcano Observatory. This source is a clearinghouse of scientific information about the Yellowstone volcanic system. Topics include recent seismic and thermal activity, volcanic history, references and maps, a photo gallery, and FAQs. This website contains both general information that would be useful for anyone that is seeking information on the Yellowstone volcanic system, as well as more specific resources for geology students or teachers. (more info)

Seismicity

Current Activity at the Yellowstone Volcanic System. This website provides a monthly summary of current geologic events that relate to the Yellowstone volcanic system. The summary includes information about earthquakes, hydrothermal activity, and other events of interest. Links are provided for more in-depth information. (more info)

Recent Earthquakes in the Intermountain West. This website provides up-to-date information on recent earthquakes in the Intermountain West, including the greater Yellowstone area. Earthquakes for the past 7 days are shown. Symbols on the map indicate earthquake location, time, and magnitude. Users may select from a clickable map or choose from a linked list to obtain more in-depth information about an earthquake. (more info)

Seismic Map for Yellowstone. A map of known hazardous faults and fault zones in Yellowstone National Park plotted with real-time earthquake data. The earthquake epicenters can be clicked for more information. (more info)

Yellowstone National Park Region Seismicity Maps. This University of Utah website provides numerous maps of the Yellowstone National Park area that show the location and magnitude of historical earthquakes. Time intervals include the previous day, week, 30-days, 90-days, year, 1973 to present, 1973-1981, and 1983 to present. The maps also include latitude and longitude, park boundary, and fault information. (more info)

Maps

Digital Atlas of the Greater Yellowstone Area. This online atlas provides a wide array of maps of the natural and socio-economic features of the Greater Yellowstone Ecosystem and surrounding areas. The maps are made from GIS layers, and users can select from many types of information such as satellite imagery and topographic maps. Map areas include Yellowstone National Park, Grand Teton National Park, the Bridger-Teton National Forest, Gallatin County, and several other areas. A list of additional web resources with metadata is also provided. (more info)

Map and Data for Quaternary Faults and Folds in Wyoming. The primary objective of this U.S. Geological Survey Open-file Report is to improve seismic-hazard assessments in regions of Wyoming with low to moderate levels of historic seismicity. A map and pamphlet are available for download in PDF format. The map shows faults and folds with evidence of Quaternary movement including data on timing of the most recent movement, sense of movement, slip rate, and continuity of surface expression. (more info)

Yellowstone Geologic System Database (GeoGIS). This website provides access to a broad collection of geographical, geological, and geophysical data for the Yellowstone/Snake River Plain volcanic system. Data types include physical geography, geology, geophysics, geodesy, regional models, and hazards. Information may be downloaded from lists of data, and links are provided to the original sources. (more info)

Yellowstone National Park GIS Data. This website provides links to GIS vector data and metadata for the geology, geography, biology, climate, infrastructure, and management of Yellowstone National Park. Note that these datasets must be viewed with ArcView. Additionally, it provides links to GIS raster metadata and an order form for a CD containing raster data. (more info)

Thermal features

Current Activity at the Yellowstone Volcanic System. This website provides a monthly summary of current geologic events that relate to the Yellowstone volcanic system. The summary includes information about earthquakes, hydrothermal activity, and other events of interest. Links are provided for more in-depth information. (more info)

Frequently Asked Questions about Recent Findings at Yellowstone Lake. This U.S. Geological Survey website answers the most commonly asked questions regarding reports that a bulge beneath Yellowstone Lake may represent a hazard for residents or visitors to the area. In addition, it provides a new high-resolution bathymetric relief map of Yellowstone Lake. References, and some direct links, to the original research materials are provided. (more info)

Notable Changes in Thermal Activity at Norris Geyser Basin Provide Opportunity to Study Hydrothermal System. This website gives an overview of the changes in many hydrothermal features in the Norris geyser basin that began in July 2003. To monitor the increased hydrothermal activity, the Yellowstone Volcano Observatory installed a temporary monitoring network of seismographs, Global Positioning System (GPS) receivers, and temperature data loggers. Text, photos, data, and references show their findings. This website would be useful for anyone with a basic knowledge in earth science that is interested in recent developments in Yellowstone's hydrothermal system. (more info)

Yellowstone National Park Online Slide File. This Yellowstone National Park website contains thousands of photographs of the Park. Images are organized by category including fire, thermal features, mammals, park structures, petrified trees, water, weather, scenics, and more. The photographs may be freely downloaded and more are being added through time. (more info)

Provisional Real-time Stream-flow Data. This USGS website provides real-time and historical stream-flow data from the major rivers draining Yellowstone National Park. Data from thirteen gaging stations within and around the Park can be selected from a list or map. Data and graphs are available for gage height, stream discharge, and in some cases, temperature. Water quality sampling results and a link to EPA information on the watershed are also available for all stations. (more info)

Anthropogenic effects

Resources describing the human impacts on the Yellowstone geoecosystem.

Greater Yellowstone Ecosystem. This U.S. Geological Survey website uses remotely sensed data to analyze landscape change in the Greater Yellowstone Area. It features maps and satellite images that show the geographical extent of the area, its management, land cover, and land use. (more info)

Wetland Resources of Yellowstone National Park. This Yellowstone National Park online report provides an overview of the park's wetlands and associated flora and fauna. Chapters include wetland plants, wetlands and wildlife, wetlands and people, thermal wetlands, a wetland inventory, wetland classification and acreage, and others. Information is presented as text, photos, graphs, tables, and maps. (more info)

Yellowstone National Park Online Slide File. This Yellowstone National Park website contains thousands of photographs of the Park. Images are organized by category including fire, thermal features, mammals, park structures, petrified trees, water, weather, scenics, and more. The photographs may be freely downloaded and more are being added through time. (more info)

Wildland fires

Resources describing the hazards and impacts related to wildland fires in Yellowstone.

Wildland fires in Yellowstone. This Yellowstone National Park website is the home page for wildland fire information. Fire information is presented as links, a map, and a table. Links include information to fire ecology, the 1988 fires, the wildland fire management plan, and numerous other topics. The table provides yearly information on each fire's cause, start date, status, and acres burned. Important fires have links to additional information. (more info)

Yellowstone National Park Online Slide File. This Yellowstone National Park website contains thousands of photographs of the Park. Images are organized by category including fire, thermal features, mammals, park structures, petrified trees, water, weather, scenics, and more. The photographs may be freely downloaded and more are being added through time. (more info)

Yellowstone in the Afterglow: Lessons from the Fires. This report describes the 1988 wildfires in Yellowstone National Park and their effect on natural and cultural resources. Chapters include the role of fire in Yellowstone, the summer of 1988, the human aftermath, changes in the landscape, wildlife, watershed and stream dynamics, and others. Over 100 pages of information are presented as text, photos, graphs, tables, and maps. The report is available in html or PDF formats. (more info)

Additional Literature

Greater Yellowstone Bibliography. The Greater Yellowstone Bibliography is a database with over 28,900 bibliographic citations to scholarly, popular, professional, and creative literature about the greater Yellowstone region. It includes citations for journal, magazine, and newspaper articles, as well as books, book chapters, conference papers, government documents, theses, maps, CDs, and other materials. Citations can be searched by author, subject keyword, and geographic location. (more info)

Yellowstone Resources and Issues. This Yellowstone National Park online book is a compendium of concise information about the park's history, natural and cultural resources, issues, and major areas. Chapters, which are downloadable as PDF files, focus on the history of the park, the yellowstone ecosystem, geology, life in extreme heat (as in the hot springs), vegetation, fire in yellowstone, wildlife, and park issues. (more info)

Yellowstone Science. Yellowstone Science is a quarterly publication devoted to Yellowstone National Park's natural and cultural resources. It features articles about research in the park, provides a colloquium for scientists, and offers an opportunity for the public to view this research. Articles can be searched by topic, author, or volume and may be downloaded in PDF format. (more info)

For ideas on how to use these webpages in a classroom, a Study Guide is provided.